<SEC-DOCUMENT>0001959173-23-004874.txt : 20231120
<SEC-HEADER>0001959173-23-004874.hdr.sgml : 20231120
<ACCEPTANCE-DATETIME>20231120125238
ACCESSION NUMBER:		0001959173-23-004874
CONFORMED SUBMISSION TYPE:	144
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20231120
DATE AS OF CHANGE:		20231120

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LAM RESEARCH CORP
		CENTRAL INDEX KEY:			0000707549
		STANDARD INDUSTRIAL CLASSIFICATION:	SPECIAL INDUSTRY MACHINERY, NEC [3559]
		IRS NUMBER:				942634797
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0630

	FILING VALUES:
		FORM TYPE:		144
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	000-12933
		FILM NUMBER:		231421944

	BUSINESS ADDRESS:	
		STREET 1:		4650 CUSHING BLVD
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
		BUSINESS PHONE:		5106590200

	MAIL ADDRESS:	
		STREET 1:		4650 CUSHING PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538

REPORTING-OWNER:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			LORD PATRICK J
		CENTRAL INDEX KEY:			0001343531

	FILING VALUES:
		FORM TYPE:		144

	MAIL ADDRESS:	
		STREET 1:		C/O LAM RESEARCH CORP
		STREET 2:		4650 CUSHING PARKWAY
		CITY:			FREMONT
		STATE:			CA
		ZIP:			94538
</SEC-HEADER>
<DOCUMENT>
<TYPE>144
<SEQUENCE>1
<FILENAME>primary_doc.xml
<TEXT>
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  <headerData>
    <submissionType>144</submissionType>
    <filerInfo>
      <filer>
        <filerCredentials>
          <cik>0001343531</cik>
          <ccc>XXXXXXXX</ccc>
        </filerCredentials>
      </filer>
      <liveTestFlag>LIVE</liveTestFlag>



    </filerInfo>
  </headerData>
  <formData>
    <issuerInfo>
      <issuerCik>0000707549</issuerCik>
      <issuerName>LAM RESEARCH CORP</issuerName>
      <secFileNumber>000-12933</secFileNumber>
      <issuerAddress>
        <com:street1>4650 CUSHING BLVD</com:street1>
        <com:city>FREMONT</com:city>
        <com:stateOrCountry>CA</com:stateOrCountry>
        <com:zipCode>94538</com:zipCode>
      </issuerAddress>
      <issuerContactPhone>5106590200</issuerContactPhone>
      <nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>LORD PATRICK J</nameOfPersonForWhoseAccountTheSecuritiesAreToBeSold>
      <relationshipsToIssuer>
        <relationshipToIssuer>Officer</relationshipToIssuer>
      </relationshipsToIssuer>
    </issuerInfo>
    <securitiesInformation>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <brokerOrMarketmakerDetails>
        <name>Fidelity Brokerage Services LLC</name>
        <address>
          <com:street1>900 Salem St</com:street1>
          <com:city>Smithfield</com:city>
          <com:stateOrCountry>RI</com:stateOrCountry>
          <com:zipCode>02917</com:zipCode>
        </address>
      </brokerOrMarketmakerDetails>
      <noOfUnitsSold>1845</noOfUnitsSold>
      <aggregateMarketValue>1306868.85</aggregateMarketValue>
      <noOfUnitsOutstanding>131792000</noOfUnitsOutstanding>
      <approxSaleDate>11/20/2023</approxSaleDate>
      <securitiesExchangeName>NASDAQ</securitiesExchangeName>
    </securitiesInformation>
    <securitiesToBeSold>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <acquiredDate>03/01/2022</acquiredDate>
      <natureOfAcquisitionTransaction>Restricted Stock Vesting</natureOfAcquisitionTransaction>
      <nameOfPersonfromWhomAcquired>Issuer</nameOfPersonfromWhomAcquired>
      <isGiftTransaction>N</isGiftTransaction>
      <amountOfSecuritiesAcquired>1845</amountOfSecuritiesAcquired>
      <paymentDate>03/01/2022</paymentDate>
      <natureOfPayment>Compensation</natureOfPayment>
    </securitiesToBeSold>
    <nothingToReportFlagOnSecuritiesSoldInPast3Months>N</nothingToReportFlagOnSecuritiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Patrick J. Lord</name>
        <address>
          <com:street1>4650 Cushing Parkway</com:street1>
          <com:city>Fremont</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94538</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/10/2023</saleDate>
      <amountOfSecuritiesSold>1845</amountOfSecuritiesSold>
      <grossProceeds>1245375.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Patrick J. Lord</name>
        <address>
          <com:street1>4650 Cushing Parkway</com:street1>
          <com:city>Fremont</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94538</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/14/2023</saleDate>
      <amountOfSecuritiesSold>1845</amountOfSecuritiesSold>
      <grossProceeds>1276131.15</grossProceeds>
    </securitiesSoldInPast3Months>
    <securitiesSoldInPast3Months>
      <sellerDetails>
        <name>Patrick J. Lord</name>
        <address>
          <com:street1>4650 Cushing Parkway</com:street1>
          <com:city>Fremont</com:city>
          <com:stateOrCountry>CA</com:stateOrCountry>
          <com:zipCode>94538</com:zipCode>
        </address>
      </sellerDetails>
      <securitiesClassTitle>Common</securitiesClassTitle>
      <saleDate>11/16/2023</saleDate>
      <amountOfSecuritiesSold>2832</amountOfSecuritiesSold>
      <grossProceeds>1982400.00</grossProceeds>
    </securitiesSoldInPast3Months>
    <noticeSignature>
      <noticeDate>11/20/2023</noticeDate>
      <planAdoptionDates>
        <planAdoptionDate>05/23/2023</planAdoptionDate>
      </planAdoptionDates>
      <signature>/s/ Gary Redman, as a duly authorized representative of Fidelity Brokerage Services LLC, as attorney-in-fact for Patrick J. Lord</signature>
    </noticeSignature>
  </formData>
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</TEXT>
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</SEC-DOCUMENT>
